Beskrivelse |
Nearly all digital cameras have the option to save images in JPEG format. The JPEG format supports 8 bits per color (red, green, and blue) and produces relatively small file sizes. The compression when not too severe does not detract noticeably from the image. But JPEG files can suffer generational degradation when repeatedly edited and saved. Photographic images may be better stored in a lossless non-JPEG format if they will be re-edited in future, or if the presence of small 'artifacts' is unacceptable. It is however the best format for internet publishing in most cases. |
Netpbm formatet er en familie inkludert Portable Pixmap filformat (PPM), den bærbare Graymap filformat (PGM) og bærbare punktgrafikkbilde filformat (pbm). Dette er ASCII-filer som gir svært grunnleggende funksjonalitet og tjene som et minimum -felles-nevneren for konvertering Pixmap, Graymap eller bitmap-filer mellom ulike plattformer. Flere programmer se dem samlet som PNM format (Portable anymap). |